Ghost imaging: Difference between revisions
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'''Ghost imaging''' is a [[quantum mechanical]] technique that allows |
'''Ghost imaging''' is a [[quantum mechanical]] technique that allows a special [[digital camera]] to produce an image of an object which the camera cannot itself see . It utilizes paired photons generated by the same source to build up an image of the unseen object. The quantum effect is known as "two-photon interference". One of the photons stikes the object , the other follows a different path to the camera's lens. The camera is constructed to only record [[pixel]]s from photons that hit simultaneously at the object and the camera's image plane. |
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==References== |
==References== |
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Revision as of 11:48, 13 July 2008
Ghost imaging is a quantum mechanical technique that allows a special digital camera to produce an image of an object which the camera cannot itself see . It utilizes paired photons generated by the same source to build up an image of the unseen object. The quantum effect is known as "two-photon interference". One of the photons stikes the object , the other follows a different path to the camera's lens. The camera is constructed to only record pixels from photons that hit simultaneously at the object and the camera's image plane.
References
- Quantum camera snaps objects it cannot 'see' by Belle Dume, New Scientist, 02 May 2008. Accessed July 2008
- Air Force Demonstrates 'Ghost Imaging' By Sharon Weinberger , Wired, 03 June 2008. Accessed July 2008
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